One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,5)(6,8)(9,10)(11,16)(12,15)(13,14)(17,18)(19,20)(21,23)(22,24)(25,26,30,28)(27,32,31,29)(2,4)(3,8)(9,11,14,15)(10,12,13,16)(17,19,22,23)(18,21,24,20)(25,26,30,28)(27,32,31,29)(2,4)(6,7)(10,13)(11,15)(17,20,22,21)(18,19,24,23)(25,27)(26,29)(28,32)(30,31)(1,3,5,8)(2,6,4,7)(9,12,14,16)(10,15,13,11)(17,21,22,20)(18,23,24,19)(25,28,30,26)(27,32,31,29)(1,4,5,2)(3,6,8,7)(9,13,14,10)(11,12,15,16)(17,18)(19,21)(20,23)(22,24)(25,29,30,32)(26,31,28,27)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.